case of 151 booster boxes POKÉMON TCG: Scarlet & Violet you might even find the elusive Mew ex in your travels Pokémon SV2A Japanese 151 Booster

That means nobody can counter it, and you can very easily put in a Creature you cant afford otherwise

Equally important, events are a way to convert gold to gems

Divine Dragon Knight Felgrand Type XYZ Monster Attribute LIGHT Typing Warrior Level/Rank 8 ATK 2800 DEF 1800 Typings Xyz / Effect TCG Date 2013-11-08 OCG Date 2013-07-20 Card Text 2 Level 8 monsters Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster on the field

There are exceptions, however

Instead, we simply have to hope the ones in TCG Pocket don't become too egregious

Source Thin 2D stamp: 3-Thin708532 126 KB Then, as again mentioned by @cullers , Thin stamps were printed on Holo Base Set cards, which later also became the standard for the next sets